body{
    margin: 0 auto;
    padding: 0;
    background-color: gray;
}
.s2b_col{
    position: absolute;
    top : 200px;
    list-style-type: none;
    background-color: aqua;
    margin-left: 140px;
    padding: 0;
}
.s2b_col li{
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 100px;
    border: 5px solid;
    font-size: 30px;
}

#pageLink{
    margin: 0 auto;
    height: 40px;
    color:white;
    width: 500px;
    text-align: center;
    line-height: 40px;
    font-size: 20px;
    margin-top: 100px;
}
#pageLink a{
   display: block;
   float: left;
   background-color: lawngreen;
   text-decoration: none;
   border-radius: 5px;
   margin-left: 50px;
   width: 100px;

}